EX: ExtraA vertical doujin shmup inspired by Ketsui.Release dateJanuary 1, 2010GenresShooterPlatformsPCSimilar gamesDokinganSengoku Cannon: Sengoku Ace Episode IIISegaSonic Cosmo FighterPhilosomaUnder DefeatAero Fighters 2Dive OnZenkaiNanoha Taiken 2nd Chu